K Block Now Available for the Uniden R1 and R3, Firmware 1.50

Firmware 1.50 was just released for the Uniden R1 and Uniden R3. This brings a few small, but helpful changes.

Uniden R3 running firmware 1.50

K Block (R1 and R3)

The biggest change is the addition of the K Block feature to help filter out Honda and Acura BSM’s. When activated, this feature filters out all radar K band signals between 24.194 – 24.204 GHz, including those from Hondas and Acuras.

K Block on the Uniden R3

K Block enabled on the Uniden R3

This feature first came out for the Uniden R7 and is now available for the R1 and the R3 as well.

RLC / Speed Camera Alert Improvements (R3 only)

When a redlight camera or speed camera and a radar signal are being detected at the same time, the radar alert is now displayed after the RLC / speedcam alert.

This is a bug fix for the R3. It used to skip the radar alert when detecting a RLC or speedcam and radar alert simultaneously. Now it will alert you to the radar signal after the RLC / speedcam alert.

The R3’s RLC / speedcam database has also been updated to version 19/04/02.

Firmware 1.50 Update Info

You can download firmware 1.50 from Uniden’s website.

Here’s a video walkthrough showing you how to do it.

If you need help with the update, you can get support at the Uniden section of RDF.

If you still need to purchase either detector, you can click here to purchase the Uniden R1 or click here to purchase the Uniden R3.

This website contains affiliate links and I sometimes make commissions on purchases. All opinions are my own. I don’t do paid or sponsored reviews.

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Permanent link to this article: https://www.vortexradar.com/2019/07/k-block-uniden-r1-r3-firmware-update-150/


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    • Leo Dodier on July 24, 2019 at 6:41 pm
    • Reply

    Thank you for the update notification, will you be modifying your R3 preferred settings?

    • Marc McCord on July 24, 2019 at 7:25 pm
    • Reply

    I am not getting my computer to recognize the R3. Just says searching. Using the same cable as last time. Any ideas?

      • Mart on September 7, 2019 at 9:25 am
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      try download the drivers. Happened to me to… https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers

      unzip to desktop and force driver update to the root folder that you unzipped

    • David Batey on July 25, 2019 at 5:43 am
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    Any idea of when the Automatic Hwy/City feature will be added to the R3/R1 that the R7 has?

    1. What do you mean about the R7? I’m not aware of such a feature in the Unidens.

    • Fred Ullom on July 25, 2019 at 8:50 am
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    Thanks again for notifying us about update.
    I have noticed that when u first plug in USB into computer is when you need to update and download. If you wait it seems that software reverts back to search mode.

    • David Batey on July 25, 2019 at 10:00 am
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    Really I could have swore I read that the R7 had that feature… To be honest I have read and watched so many of your reviews and videos, I am sure the OVERLOAD is to blame LOL!)

  1. That feature doesn’t exist in any Uniden detectors. It does exist in some newer Escort, Beltronics, and Radenso detectors.

    • Jeff on July 25, 2019 at 12:15 pm
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    I have the R7, this feature is great but really waiting for the Auto GPS enabled false signal blocking. It was my understanding that the patent on this with Escord was expiring last month.

    • VD on July 25, 2019 at 1:32 pm
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    Try to reconnect cable at the detector side, not at the PC side. 🙂

    • Jeff on July 25, 2019 at 1:39 pm
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    Guessing he meant the Advanced option, insert shoulder shrug here lol

    • Marc on July 26, 2019 at 11:18 am
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    No go. I have tried 3 different cables now. It still says searching. Will not connect. Frustrating!!!

    • De'Lontrell G. Thomas on July 26, 2019 at 12:07 pm
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    I was having the same problems. Once I manually went and downloaded the drivers, the r3 finally showed as connected.

    • Marc on July 26, 2019 at 12:39 pm
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    I FINALLY got it to work. Manually downloaded everything. Had to go find the download file and insert it. Sure was a lot easier to update my Escort. Uniden could sure make it easier to do this.

    • Bill on August 4, 2019 at 2:55 pm
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    Thanks for keeping us up to date on all the goings on I am glad Uniden finally has a fix , with all the CRVs and Pilots on my way to work 60 miles of constant alerts, now the next biggest problem is Chryslers the Pacifica and Jeeps must use higher power BSMs they are my new number one annoyance I try to get them get way ahead of me when I can

    • Jimmy Riddle on August 11, 2019 at 8:56 am
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    What is MCRD setting on the R3

    1. This video explains more: https://www.youtube.com/watch?v=UkZME9-NvL8

    • Christopher on August 13, 2019 at 3:50 am
    • Reply

    Hey Everyone,

    I have had my R3 for about 2 years and it still detects radar, but the sound does not work all of a sudden. It has the latest firmware on it. Does anyone have a solution?


    • David Batey on August 13, 2019 at 4:41 am
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    Try a Factory Reset.

    • Christopher on August 15, 2019 at 5:02 am
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    I tried that and the sound still doesn’t work. Should I open it up, or am I going to have to send it in?

    • David Batey on August 15, 2019 at 5:41 am
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    just by chance and a last ditch effort. The R3 has an audio out jack on the side… Try plugging in a headphone and see if you can hear sound through that. If you hear sound, unplug it and try it again and see if it works.

    • Henrique on August 15, 2019 at 6:52 am
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    Any idea when the MAC firmware for the new version will be released?

    • David Batey on August 15, 2019 at 7:10 am
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    Henrique-I believe you can use the previous release MAC downloader and just extract the .BINs from the windows version and install them that way.

    • Christopher on August 15, 2019 at 11:09 am
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    The sound does work when I plug in headphones. Does this mean the external speaker is broken?

    1. It very well might. Please reach out to Uniden for technical support and repair issues.

    • tony capo on September 10, 2019 at 9:26 am
    • Reply

    i downloaded the drivers and the firmware but the firmware that was downloaded to my PC is an adobe document and not a .bin file and will not open. Is there additional software i need to load and/or how do i upload the adobe file into the R3

    • Mike Raub on October 2, 2019 at 5:04 pm
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    Here’s a feature I’d like on the R3: Automatic switching to Highway Mode above a chosen speed and automatic switching back to City mode below that speed. Seems like it should be doable with a firmware modification.

    1. It would, but I believe Escort has a patent on that feature. That said, Radenso does that, but I’m not sure if they need to pay licensing royalties to do so.

    • Fred D on October 13, 2019 at 5:54 am
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    I suggestion setting for uniden r3 (Québec Canada) fimeware 1.50

    • Dave on November 17, 2019 at 8:42 pm
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    When will you be able to update to 1.50 using a Mac for R3

    • Tom May on December 27, 2019 at 9:58 am
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    Same question as Dave. My wife is a computer genius and just told me the idiocy of placing new firmware on R1. I have a golf garman and all so easy when having an apple computer . We did install the new 1.48 but it took real computer savvy to do so. We also want to do the 1.50 but no way to do so unless we have another non apple computer. Not good on part of those designing all. Shouldn’t have to take up all of apple.

    1. There’s a simple and admittedly silly solution. Download the 1.48 Mac update software. Then download the 1.50 Windows update software. Use the 1.50 firmware file and load it into the Mac software you have installed and it’ll update your detector just fine.

    • Dave on December 27, 2019 at 10:06 am
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    Yeah they are way behind on updating with a Mac.. who wants windows these days lol

    • Fig on January 7, 2020 at 5:11 pm
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    I have had my R1 for approximately 6 months and it has not fail me yet, but recently on my last trip i noticed for some reason it does not beep and it seems to be stuck in mute mode. I have done a factory reset and plug it back in and no sound whatsoever. Even when i did a self test no sound at all. What could it be and what can i do?

    • Monus on January 24, 2020 at 7:20 am
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    I am assuming I have to have a Windows or a Apple to update my R3? I wish the would would move into the modern era and support Chrome/Chromebooks. I am trying to think if the last time I used a Windows computer…. 2015… Maybe 2016.


    I really wish they had support for Chrome, but guess not.

    On the series side I still have a R3 I absolutely love and have not issues with other than trying to update to the latest version of the software. I have always used the same computer (a friend’s) who has a Windows 10. It has all the latest updates. Not had any reinstalls or any thing out of the ordinary issues. Had a a few driver issues with older devices I have helped him with.

    But I have tried the normal update process and a couple of other things to get it see it and update…. Still no luck.

    Any thoughts?

    Have a great day!

    • Cab Ny on March 25, 2020 at 3:28 pm
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    I bought a refurb R1 and I updated the firmware 1.50 and followed your setting but it false a lot on K band with different frequencies even with K block on even in city mode can the dector be defected or thats normal I have a DFR 6 and never had these issues should I return it or adjust the K band sensitivity lower if so to what level where it is still effective Thanks

    • Tom May on January 4, 2022 at 10:14 am
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    My R1 and Uniden will not show up on my computer screen after inserting proper cable into back of computer. Used all successfully year ago when doing upgrade of firmware.

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